Teen Cassidy Klein is in the middle of fucking her girlfriend Melissa Moore when her stepsister Lana Rhoades comes home and sees what they’re doing through the window. While Melissa’s in the bathroom, Lana tells Cassidy that she took pictures of their lewdness in action, and she plans to show their parents, unless she leaves and lets Lana fuck Melissa. Of course, Cassidy says no but Lana doesn’t relent. The sisters quickly come up with a plan.